Perhaps you should try some spelling variations:
"harvard bad urban studies book series." » "harvard bad urban studies from series.", "harvard based urban studies book series.", "harvard bank urban studies book series.", "harvard pay urban studies book series."
"harvard bond cash studies book series." » "harvard bond cash studies from series.", "harvard bond case studies book series.", "harvard bond cases studies book series.", "harvard bond cost studies book series.", "harvard fund cash studies book series.", "harvard non cash studies book series."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard bad urban studies book series.") or ("harvard bond cash studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard bad urban studies book series.") OR ("harvard bond cash studies book series.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard bad urban studies book series.") or ("harvard bond cash studies book series."))*.